Good cheap vegetarian protein source?

[Grateful11]

Seacrest Wrote:
-------------------------------------------------------
> I have not eaten meat since I saw the lamb or goat
> with six legs on TV. That'd be a couple of days,
> now.
> I ain't no vegematarian, that's for sure, but
> between Chernobylized livestock and the threat of
> bird flu, I just can't stomach it for a while.
>
>

and before Chernobyl we had this:

http://www.kued.org/avoidingarmageddon/miller-map.html